"With Google" handsets such as the Motorola Droid or (obviously) the Nexus One are part of the "Google Experience" program where the handset maker and carrier h

"With Google" handsets such as the Motorola Droid or (obviously) the Nexus One are part of the "Google Experience" program where the handset maker and carrier have to agree to use Google's first-party version of Android bundled with the proprietary Google apps. Other handsets that aren't part of the Google Experience program, such as ones from HTC that run the Sense UI or from Motorola that run the Blur frontend, can do whatever they want within the terms of the open-source license.